<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div class="tb">
        <div>11</div>
        <div>22</div>
    </div>
</body>
<style>
    .tb {
        /* height: 100px; */
        display: table;
        background-color: black;
    }
    .tb >*{
        color: #f90;
    }
</style>

</html>